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Butterflies of North America

Butterflies of Colorado

Identification: Upperside is black with white median bands on both
wings; tip of forewing is orange-brown. Underside is reddish-brown
with white markings.

Life history: Males perch in valley bottoms all day to watch for
females. Eggs are laid on the upperside of host plant leaf tips.
Caterpillars feed on leaves and partially-grown caterpillars
overwinter in rolled leaf shelters.

Flight: April-October. Several flights in California, probably one
flight in the northern part of its range.